Material: plastic colour: As shown Package Contents: 4 x Flow Fittings (23 x 22mm) 12 x water saving tablets 4 x washers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Save water resources: water saving valve can reduce water flow, it can keep the effect of water diffusion unchanged, less splashes, save water resources, it can save water by 30%-80%, so you save money. Easy to install: no tools needed, just remove the shower from the shower hose, install the appropriate flow limiter and then screw the shower back to get started immediately, easy and convenient, can be replaced at any time! 3 different sizes: blue insert reduces water flow to 4 L/min; green insert reduces water flow to 7 L/min; yellow insert reduces water flow to 9 L/min. Premium material: shower flow limiter uses POM material, high hardness, Save water and money: water flow limiter can make full use of limited water resources and avoid unnecessary waste. By using different specifications of flow limiters, you can save water by 20%-80%, significantly reduce water consumption and save money ! resistance, wear resistance, good insulation, and functional. The package contains 2 adapters, 2 silicone seals, 6 water-saving valves, the colours of the water-saving valve are blue, green and yellow.